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<title> Adding and Removing IP Addresses </title>
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<h2 class="heading2">Adding and Removing IP Addresses</h2>
<p class="bodytext">After installation, Plesk reads all your IP addresses from the network configuration files and can then use these IP addresses for hosting DNS domains and Web sites.</p>
<p class="bodytext">When you obtain a new IP address that you would like to use on the server, you should add the address through the control panel, as Plesk might not recognize manual modifications you make to the network configuration files.</p>
<p class="bodytext">With Plesk you can mark all your IP addresses as shared or dedicated <em class="emphasis">before</em> you assign them to your customers. This allows the control panel to distinguish between them and not to let you assign a dedicated IP address to several customers at once. A dedicated IP address can be assigned to a single customer, while a shared IP address can be shared among several user accounts.</p>
<p class="bodytext">Note that SSL protection with authentic digital certificates and Anonymous FTP services are available only to dedicated hosting accounts on a dedicated IP address. Shared hosting accounts can also have SSL protection, but visitors to such protected sites will get error messages in their browsers.</p>
<p class="note"><strong class="buttons">Note:</strong> in this version of Plesk control panel, dedicated IP addresses are referred to as Exclusive IP addresses.</p>
<p class="bodytext"></p>
<p class="procedureheading">To view the IP addresses you have at your disposal:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong>. <p class="listcontinue">Your IP addresses are listed and the following supplementary information is given:</p>
<ul class="listbullet2"><li class="listbullet2">An icon in the <strong class="specialbold">S</strong> (Status) column shows <img src="17582.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> if your IP address is properly configured on the network interface. If your IP address was removed from the network interface, an icon will show <img src="17581.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0">.</li><li class="listbullet2">An icon in the <strong class="specialbold">T</strong> (Type) column shows <img src="17585.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> if an address was allocated to a single customer as a dedicated IP address, and <img src="17586.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> if an address is shared among many customers.</li><li class="listbullet2">The <strong class="specialbold">IP address</strong>, <strong class="specialbold">Subnet Mask</strong> and <strong class="specialbold">Interface</strong> columns show which IP addresses are on which network interfaces. </li><li class="listbullet2">The <strong class="specialbold">Clients</strong> column shows the number of user accounts who you assigned a given IP address. To view the users by names, click the respective number in the <strong class="specialbold">Clients</strong> column.</li><li class="listbullet2">The <strong class="specialbold">Hosting</strong> column shows a number of web sites hosted on an IP address. To view the domain names of these web sites, click the respective number in the <strong class="specialbold">Hosting</strong> column.</li></ul></li><li class="procedurelistnumber">To update the list of IP addresses and their status, click <strong class="specialbold">Reread IP</strong>.</li></ol><p class="bodytext"></p>
<p class="procedureheading">To add a new IP address to the server:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong> and click <strong class="specialbold">Add New IP Address</strong>.</li><li class="procedurelistnumber">Select the network interface for the new IP from the <strong class="specialbold">Interface</strong> drop-down box. All network cards installed on your server are shown in this drop-down box.</li><li class="procedurelistnumber">Enter the IP address and subnet mask in the corresponding box (e.g., 123.123.123.123/16).</li><li class="procedurelistnumber">Select the type of the new IP address, shared or exclusive, using the <strong class="specialbold">IP  type</strong> radio button.</li><li class="procedurelistnumber">From the drop-down box, select the SSL certificate for the new IP address. You can select the following certificates:<ul class="listbullet2"><li class="listbullet2"><strong class="specialbold">Default certificate</strong> - the certificate that comes with the Plesk distribution package. However, this certificate is not recognized by web browsers as it is not signed by a Certificate Authority (a warning message appears). The default certificate is used to provide access to the control panel via the https protocol (https://&lt;Plesk Server name or IP&gt;:8443/).</li><li class="listbullet2"><strong class="specialbold">Other certificates</strong> - the certificates (self-signed or signed by a Certificate Authority) that you added to the repository of SSL certificates (about adding certificates, see the Securing Sites with SSL encryption section). </li></ul></li><li class="procedurelistnumber">Click <strong class="specialbold">OK</strong>.</li></ol><p class="bodytext"></p>
<p class="procedureheading">To remove an IP address from the server:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong>. </li><li class="procedurelistnumber">Select the respective check box and click <img src="17726.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> <strong class="specialbold">Remove Selected</strong>, confirm removal and click <strong class="specialbold">OK</strong>. </li></ol><p class="bodytext"></p>
<p class="procedureheading">To assign an IP address to a user:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong> and click the respective number in the <strong class="specialbold">Clients</strong> column, then click <strong class="specialbold">Add New Client</strong>.</li><li class="procedurelistnumber">Select the user account you need and click <strong class="specialbold">OK</strong>.</li></ol><p class="bodytext"></p>
<p class="procedureheading">To revoke an IP address from a user:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong> and click the respective number in the <strong class="specialbold">Clients</strong> column.</li><li class="procedurelistnumber">Select the respective check box and click <img src="17726.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> <strong class="specialbold">Remove Selected</strong>.</li><li class="procedurelistnumber">Confirm removal and click <strong class="specialbold">OK</strong>.</li></ol><p class="bodytext"></p>
<p class="procedureheading">To specify what web site will open when users refer to the web resource on your server by an IP address:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong> and click the respective number in the <strong class="specialbold">Hosting </strong>column. All sites hosted on this IP will be listed.</li><li class="procedurelistnumber">Select the site you need and click <img src="17767.gif" alt="" height="16" width="16" vspace="0" hspace="0" align="bottom" border="0"> <strong class="specialbold">Set as Default</strong>.</li></ol><p class="bodytext"></p>
<p class="procedureheading">To change an IP address allocation type (shared, exclusive) or assign another SSL certificate to an IP address:</p>
<ol class="procedurelistnumber"><li class="procedurelistnumber">Go to <strong class="specialbold">Server</strong> &gt; <strong class="specialbold">IP Addresses</strong> and click the IP address you need.</li><li class="procedurelistnumber">Select the IP address allocation type and SSL certificate you need, and click <strong class="specialbold">OK</strong>.</li></ol><p class="bodytext"></p>


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